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pro vyhledávání: '"MOTTA, M"'
A method for measuring the electrical connectivity between parts of a rectangular superconductor was developed for weak links making an arbitrary angle with the long side of the sample. The method is based on magneto-optical observation of characteri
Externí odkaz:
http://arxiv.org/abs/2411.08649
Autor:
Chaves, Davi A. D., Filho, J. C. Corsaletti, Abbey, E. A., Bosworth, D., Barber, Z. H., Blamire, M. G., Johansen, T. H., Silhanek, A. V., Ortiz, W. A., Motta, M.
Measurements of the temperature-dependent ac magnetic susceptibility of superconducting films reveal reversible responses, i.e., irrespective of the magnetic and thermal history of the sample. This experimental fact is observed even in the presence o
Externí odkaz:
http://arxiv.org/abs/2309.08062
Autor:
Chaves, D. A. D., Valerio-Cuadros, M. I., Jiang, L., Abbey, E. A., Colauto, F., Oliveira, A. A. M., Andrade, A. M. H., Pinheiro, L. B. L. G., Johansen, T. H., Xue, C., Zhou, Y. -H., Silhanek, A. V., Ortiz, W. A., Motta, M.
Ubiquitous in most superconducting materials and a common result of nanofabrication processes, weak-links are known for their limiting effects on the transport of electric currents. Still, they are at the root of key features of superconducting techn
Externí odkaz:
http://arxiv.org/abs/2305.04262
We study the field intensity fluctuations of two independent four-wave mixing signals generated in a cold rubidium sample as well as the transmission signals. We employ an experimental setup using a single CW laser to induce the nonlinear process in
Externí odkaz:
http://arxiv.org/abs/2212.01491
Autor:
Pinheiro, L. B. L. G., Jiang, L., Abbey, E. A., Chaves, Davi A. D., Chiquito, A. J., Johansen, T. H., Van de Vondel, J., Xue, C., Zhou, Y. -H., Silhanek, A. V., Ortiz, W. A., Motta, M.
Thickness uniformity is regarded as an important parameter in designing thin film devices. However, some applications based on films with non-uniform thickness have recently emerged, such as gas sensors and optimized materials based on the gradual ch
Externí odkaz:
http://arxiv.org/abs/2210.09999
Publikováno v:
In Applied Energy 15 October 2024 372
Autor:
Chaves, D. A. D., de Araújo, I. M., Carmo, D., Colauto, F., de Oliveira, A. A. M., de Andrade, A. M. H., Johansen, T. H., Silhanek, A. V., Ortiz, W. A., Motta, M.
Quantitative magneto-optical imaging of a type-II superconductor thin film cooled under zero, homogeneous, and inhomogeneous applied magnetic fields, indicates that the latter procedure leads to an enhancement of the screening capacity. Such an obser
Externí odkaz:
http://arxiv.org/abs/2106.01934
Publikováno v:
In Energy 1 November 2023 282
The QCD transition from a hadronic to a quark-gluon plasma phase is a cross-over at vanishing/small baryo-chemical potential, while at higher chemical potentials it is argued that it becomes of first order, ending with a critical end-point. The prese
Externí odkaz:
http://arxiv.org/abs/1909.05037
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